diff --git a/lofar_station_client/statistics/packet.py b/lofar_station_client/statistics/packet.py
index 998128f0c4c02e114af101f6abe95eac5db7c87b..544c3efc6855abb973b9519ef152daf8a193fc7b 100644
--- a/lofar_station_client/statistics/packet.py
+++ b/lofar_station_client/statistics/packet.py
@@ -66,14 +66,6 @@ class SDPPacket:
 
         packet format version.
 
-    station_version_id
-
-        Lofar Station Control software version.
-
-    writer_version_id
-
-        statistics writer software version.
-
     observation_id
 
         observation identifier.
@@ -189,8 +181,6 @@ class SDPPacket:
             (
                 self.marker_raw,
                 self.version_id,
-                self.station_version_id,
-                self.writer_version_id,
                 self.observation_id,
                 self.station_id,
                 self.source_info,
@@ -273,8 +263,6 @@ class SDPPacket:
         header = {
             "marker": self.marker,
             "version_id": self.version_id,
-            "station_version_id": self.station_version_id,
-            "writer_version_id": self.writer_version_id,
             "observation_id": self.observation_id,
             "station_id": self.station_id,
             "source_info": {
@@ -364,8 +352,6 @@ class BeamletPacket(SDPPacket):
             (
                 self.marker_raw,
                 self.version_id,
-                self.station_version_id,
-                self.writer_version_id,
                 self.observation_id,
                 self.station_id,
                 self.source_info,
@@ -515,8 +501,6 @@ class StatisticsPacket(SDPPacket):
             (
                 self.marker_raw,
                 self.version_id,
-                self.station_version_id,
-                self.writer_version_id,
                 self.observation_id,
                 self.station_id,
                 self.source_info,